1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/torture/pr36445.C b/gcc/testsuite/g++.dg/torture/pr36445.C
new file mode 100644
index 000000000..56642e9ec
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr36445.C
@@ -0,0 +1,23 @@
+/* { dg-do compile } */
+/* { dg-options "-msse" { target { i?86-*-* x86_64-*-* } } } */
+// This used to fail as we would try to expand a VCE where one side had
+// a mode of BLKmode and the other side was a vector mode.
+#define vector __attribute__((vector_size(16) ))
+struct struct1  {
+  union { float a[3]; }    vmx;
+  struct struct2   {
+    struct2(const struct2& r) {}
+  } w;
+} __attribute__((aligned(16)));
+struct struct3  {
+  vector float vmx;
+  operator const struct1& () const{
+    return *reinterpret_cast<const struct1*>(this);
+  }
+};
+struct3 func3( struct3 V1);
+struct3 func2( void );
+void func1( )  {
+  struct1 vVec = func2() ;
+  func3 ( (struct3&)vVec );
+}